Philips SON-T-PIA 400 w lamp - Flowering
The colour spectrum of these lamps is primarily red with orange and yellow tones, which produces certain effects on plants such as more production of bud spots, bigger flowers...
There is a group of PHILIPS lamps, including Son-T-Pia models, the colour spectrum of which also covers blue tones.
Son-T PIA bulbs also allow hot restart, which means that there is no need to wait 20 minutes to start the bulb after a power failure, as happens with other HPS bulbs.
